 //顶部
Ext.user.MyPanelUi = Ext.extend(Ext.Panel, {
    title: '',
    region: 'north',
    height: 51,
	html:'<a href="' + Ext.user.baseUrl + '/Public/logout">退出</a>',
    initComponent: function() {
        Ext.user.MyPanelUi.superclass.initComponent.call(this);
    }
});